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wip(g2): park change-scoped attempt + full diagnosis (NOT the fix)

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Scope+bound (change-first ordering, adaptive budget-fitted portioning,
_context_pass scoped to changed files, evidence_pass_bounded degradation) is
preserved here but does NOT unblock analysis: query_seconds stayed 0 across every
live re-verify. Uncontended measurement proved why -- the evidence pass is ~150s
fixed (first-query graph-load + census) + ~93ms/pair, so ~200s fixed overhead
(with the 48s build) precedes any analysis and a 300s budget leaves ~100s.
Pair-count scoping only trims the ~86s per-pair tail. The warm-session env
(OUSAST_ENGINE_SESSION=1) times out at startup under contention and, even working,
spares only subsequent batches -- not the first evidence query's load.

Parked per decision to finish the G0 baseline first; resume on a clean host.
Branch unmerged. 95 model tests pass; no push-suite regression.

Co-Authored-By: Claude Opus 4.8 <[email protected]>
This commit is contained in:
Marius Ciepluch
2026-10-11 13:31:54 +02:00
co-authored by Claude Opus 4.8
parent 7558951493
commit f36165a4ed
3 changed files with 88 additions and 13 deletions
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tests/test_model_change_context.py
+5 -4
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@@ -93,14 +93,15 @@ def test_portioned_evidence_stops_at_deadline_keeping_the_first_portion():
seen.append(len(reqs))
return {rid: [] for rid in reqs}
reqs = {str(i): {"file": "f"} for i in range(2 * scanmod.BOUNDED_EVIDENCE_PORTION + 5)}
reqs = {str(i): {"file": "f"} for i in range(50 * scanmod.BOUNDED_EVIDENCE_PORTION)}
answered, attempted = scanmod._portioned_evidence(Cpg(), reqs, deadline=_t.monotonic() - 1, portion=scanmod.BOUNDED_EVIDENCE_PORTION)
assert seen == [scanmod.BOUNDED_EVIDENCE_PORTION] # only the first portion ran before the (past) deadline
assert attempted == scanmod.BOUNDED_EVIDENCE_PORTION
assert answered is not None and len(answered) == scanmod.BOUNDED_EVIDENCE_PORTION
assert seen == [scanmod.EVIDENCE_PROBE] # a past deadline stops after only the opening probe chunk
assert attempted == scanmod.EVIDENCE_PROBE
assert answered is not None and len(answered) == scanmod.EVIDENCE_PROBE
seen.clear()
_, attempted_full = scanmod._portioned_evidence(Cpg(), reqs, deadline=None, portion=scanmod.BOUNDED_EVIDENCE_PORTION)
assert attempted_full == len(reqs) and sum(seen) == len(reqs) # no deadline -> the whole population tiers
assert all(s <= scanmod.BOUNDED_EVIDENCE_PORTION for s in seen) # in capped chunks
def test_change_scoped_scan_bounds_and_orders_the_evidence_pass_change_first(tmp_path, monkeypatch):